Nosing for doorway sill



FIG. 1 is a front right perspective of our new design, including unclaimed environmental elements;

FIG. 2 is a front right perspective thereof, without the environmental elements showing;

FIG. 3 is a side elevation view thereof, the opposite side being a mirror image thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a top view thereof.

The views of the nosing for doorway sill not shown form no part of the claimed design. The dashed lines in the Figures refer to environmental elements only and form no part of the claimed design. The wavy break lines in FIGS. 1, 2, 4 and 5 indicate indefinite length. 

The ornamental design for a nosing for doorway sill, as shown and described. 